Directions

Heat a large pot of salted water to boiling. Cook pasta according to package directions, until pasta is al dente.

Meanwhile, in a large skillet, heat 1 tablespoon olive oil over medium heat. Add sausage and cook until meat is no longer pink, about 4 minutes. Add bell peppers, stirring to combine. Add arugula in batches, stirring until each batch is wilted before adding the next.

Drain pasta, reserving 1 cup of the pasta water. Return pasta to pot and add sausage mixture, hot red pepper flakes, and some of the pasta water, tossing to combine.